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| author | Joe Thornber <ejt@redhat.com> | 2013-10-21 11:44:57 +0100 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2013-11-09 17:54:34 -0500 |
| commit | 99ba2ae4cd876bbcedb01d94c1a7952ce171418e (patch) | |
| tree | e150c06aff63538e6c64ff29a88f6afdb9d9fe20 /kernel/jump_label.c | |
| parent | 9c1d4de56066e4d6abc66ec188faafd7b303fb08 (diff) | |
dm cache policy mq: protect residency method with existing mutex
It is safe to use a mutex in mq_residency() at this point since it is
only called from ioctl context. But future-proof mq_residency() by
using might_sleep() to catch new contexts that cannot sleep.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'kernel/jump_label.c')
0 files changed, 0 insertions, 0 deletions